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Fig. 3. Snapshot while checking voice pitch control. The pitch indicator appears at the bottom part of the left panel. The green horizontal line indicates the target pitch location. The red circle represents the f, of the acquired signal in real-time. The interval of the horizontal lines is one semi-tone.

Figure 3 Snapshot while checking voice pitch control. The pitch indicator appears at the bottom part of the left panel. The green horizontal line indicates the target pitch location. The red circle represents the f, of the acquired signal in real-time. The interval of the horizontal lines is one semi-tone.